64 physical scientist jobs at 24 companies in Cypress, CA
2d
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Physical Scientist (Forensics)
San Diego or San Francisco or New Orleans or Miami or Ashburn or Long Beach
$106k-$138k/yr OnsiteFull Time
1+ YOEPhysical science, engineering, or mathematics education with 24 physical-science credits plus 1 year of specialized experience, including forensic analysis, expert testimony, technical reporting, and policy communication.
ANAB, ISO/IEC 17025
3d
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Physical Scientist (Forensics)
Long Beach or San Diego or San Francisco or Miami or New Orleans or Ashburn
$106k-$138k/yr OnsiteFull Time
1+ YOEPhysical science, engineering, or mathematics education with 24 physical science credits, plus one year of GS-12-equivalent specialized experience in forensic analysis, reporting, project coordination, and scientific recommendations.
ANAB, ISO/IEC 17025, Thrift Savings Plan
2mo
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Clinical Lab Scientist
Anaheim, California, United States
$50-$58/hr OnsiteFull Time
2+ YOEBachelor's or doctoral degree in chemical, physical, biological, clinical laboratory science or medical technology; current California Clinical Laboratory Scientist license; ASCP preferred; ~2 years acute care lab experience preferred.
1mo
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Clinical Lab Scientist I
San Juan Capistrano, California, United States
$40-$56/hr OnsiteFull Time
0+ YOEPerforms moderate to complex clinical laboratory tests; requires bachelor’s in medical technology or life/physical sciences and state Clinical Laboratory Scientist licensure; 0–3 years lab experience.
Microsoft Word, Microsoft Excel, Microsoft Outlook, Electronic medical records (EMR)
1mo
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Senior Scientist
Pasadena, California, United States
$134k-$165k/yr OnsiteFull Time
10+ YOE8+ MgmtBS in Physics, Astronomy, or Engineering; 10+ years high-precision optics experience; 8+ years mentoring; expertise in optical design, coatings, and precision optical metrology; MS/PhD preferred; MS Project experience preferred.
Microsoft Project
3mo
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Scientist - Plasma Diagnostics
Foothill Ranch, California, United States
$110k-$130k/yr OnsiteFull Time
PhD in plasma physics with in situ diagnostics; hands-on diagnostics experience; data analysis and reporting; programming in Python.
Langmuir probes, retarding field analyzers, fast ion loss detectors, pyrobolometers, thermo-optical arrays, DAQ systems, oscilloscopes, function generators, high-vacuum systems, Python
1mo
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Research Scientist
Pasadena or United States
$100k-$135k/yr RemoteFull Time
Graduate degree in physical/environmental/earth/applied sciences, experience with methane emission sectors and remote sensing, ability to work independently and manage multiple projects.
Git
2mo
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CLINICAL LABORATORY SCIENTIST I (BLOOD BANK)
Los Angeles, California, United States
$95k-$135k/yr OnsiteFull Time
0.5+ YOESix months experience as Clinical Laboratory Scientist; CA CLS license or Limited CLS license in a qualified specialty; meet physical requirements; online filing and exam process as described.
1mo
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Project Scientist Pool
Irvine, California, United States
$79k-$209k/yr OnsiteFull Time, Part Time
Ph.D. in physical climate, atmospheric chemistry, biogeochemistry or related field; proven research track record; submit CV, research statement, and references.
2mo
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Research Scientist, R&D (2026)
Los Angeles, California, United States
$100k-$175k/yr HybridFull Time
3+ YOEPhD or Master’s in CS/Physics/Mathematics; 3+ years R&D in graphics/physics/ML; advanced C++ with VCS and testing; strong communication; background in discrete geometry or related areas.
C++, CUDA, Metal, WebGPU
3w
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Project Scientist - Environmental Solutions
Irvine, California, United States
$60k-$75k/yr FieldFull Time
1+ YOEBachelor's in geology/environmental science/engineering, 1–3 years environmental field experience, current 40-hour HAZWOPER, valid driver’s license, ability to perform physical fieldwork, proficiency with Microsoft Word and Excel.
Microsoft Word, Microsoft Excel
4d
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Research Associate Scientist
Loma Linda, California, United States
$40-$53/hr OnsiteFull Time
Bachelor's degree in biology, chemistry, physics, or related science required; master's preferred. Research data management experience preferred. Requires English communication, computer, statistical, organizational, and collaboration skills.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Access
1mo
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Space Photovoltaics Research Scientist
El Segundo, California, United States
$117k-$176k/yr OnsiteFull Time
8+ YOEPh.D. in a STEM field, 8+ years experience in opto-electronic materials or device physics, proficiency with electro-optical characterization techniques, data analysis/programming (Python, MATLAB, Origin), project leadership, ability to obtain U.S. security clearance.
Python, MATLAB, Origin
2w
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Computational Scientist, Quantum Energy Systems
Torrance, California, United States
OnsiteFull Time
PhD-level expertise in computational materials science, condensed-matter physics, or computational chemistry; production Python or C++ coding; simulation package fluency; and experience connecting simulations to experimental outcomes.
Python, C++, density functional theory, molecular dynamics, finite-element modeling
3w
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Project Scientist - CSST or CAC
Irvine, California, United States
$29-$45/hr FieldPart Time
2+ YOE2+ years in regulated materials/industrial hygiene, bachelor’s degree in environmental science or related field, CAC or CSST required, CIH preferred, valid driver’s license, ability to pass background/drug/physical checks.
2mo
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Senior Applied Scientist, Safe Locomotion, Compass
Pasadena, California, United States
$167k-$226k/yr OnsiteFull Time
3+ YOEPhD or Master's+6yrs, 3+ yrs applying RL to physical robots, sim-to-real expertise, strong legged-robot dynamics and control knowledge, Python and deep learning framework proficiency, experience with robotics physics simulators, publication record.
Python, PyTorch, JAX, Isaac Gym/Sim, MuJoCo, PyBullet
2mo
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Senior Clinical Research Scientist
Irvine, California, United States
$92k-$148k/yr HybridFull Time
2+ YOEBachelor's in a life/physical/biological science or nursing, 2+ years clinical research experience, knowledge of GCP and ICMJE, strong scientific writing, project management, and communication skills.
3mo
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Environmental Scientist I/II/III - AGSC
Redding or Sacramento or Eureka or Santa Rosa or Bakersfield or Los Angeles or Riverside or San Diego
RemoteFull Time
Bachelor’s in Physical/Environmental Sciences; CA QSP or QSD; driver license; utility project experience; MS Office proficiency.
MS Office
1mo
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Staff Environmental Scientist/Engineer
Santa Ana or California
$71k-$80k/yr HybridFull Time
0+ YOEBachelor's in environmental sciences or engineering, 0–2 years environmental compliance experience, valid driver's license, Microsoft Office proficiency, strong communication, ability to perform fieldwork and physical canvassing.
Microsoft Windows, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Outlook, Adobe, Foxit, Google Earth
2mo
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Senior Clinical Research Scientist
Irvine, California, United States
$92k-$148k/yr HybridFull Time
2+ YOEBachelor’s in a life/physical/biological science or nursing required; 2+ years clinical research trial experience and scientific publications; strong scientific writing, project management, GCP and evidence-generation knowledge.
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